function validateContactUs()
{
	frm = document.frmContactUs;
	err = 0;
	errmsg ='';

	if (frm.from.value =='') { errmsg += 'From field is required.<br>'; err = 1; }
	if (frm.subject.value == '') { errmsg += 'Subject is required.<br>'; err = 1; }
	if (frm.content.value == '') { errmsg += 'Content is required.<br>'; err = 1; }

	if (err == 1)
	{
		document.getElementById('errShow').innerHTML = errmsg;
		document.getElementById('errShow').style.display = "";
		return false;
	}
	else
	{
		document.getElementById('errShow').style.display = "none";
		return true;
	}
}